18712090

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{25633}}^1$

素因数の和:25713

約数の個数: 16

約数和(自身を含む): 34144488

約数和(自身を除く): 15432398

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 25633, 51266, 128165, 256330, 1871209, 3742418, 9356045, 18712090]

約数ペア:

[(1, 18712090), (2, 9356045), (5, 3742418), (10, 1871209), (73, 256330), (146, 128165), (365, 51266), (730, 25633)]